Karstensen, Johannes; Krahmann, Gerd (2021): Physical oceanography (CTD) during Maria S. Merian cruise MSM74 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.928976
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2021-03-11 • DOI registered: 2022-02-19
Abstract:
Seabird 911plus systems equipped with dual temperature-conductivity-oxygen sensors were employed. All systems had a 24-bottle water sampling rosette with 10 l Niskin bottles. Water sampling, processing, and calibration followed GO-SHIP recommendations (Swift, 2010; McTaggart et al., 2010; Uchida et al., 2010) and included the recommended steps Data Conversion, Sensor Time-Alignment, Creation of Bottle Files, Outlier Removal, Pressure Sensor Filtering, Conductivity Cell Thermal Mass Correction, Ship Roll Correction and Deck Offset Correction by Loop Editing, as well as Derivation of Calculated Properties. After these steps, conductivity and oxygen readings were calibrated against values determined with salinometry and Winkler titration , respectively. Finally, the downcast data was averaged over 1 dbar wide intervals. An independent upcast calibration was used to obtain calibrated CTDO values coincident with the discrete water samples.
Related to:
Karstensen, Johannes; Atamanchuk, Dariia; Barboni, Alexandre; Bendinger, Arne; Fonseca-Batista, Debany; Fried, Nora; Holliday, Naomi Penny; Hundsdörfer, Marie; Kerrigan, Elizabeth; Leimann, Ilmar; Normandeau, Claire; Oltmanns, Marilena; v. Oppeln-Bronikowski, Nicolai; Ribbe, Joachim; Schmidtko, Sunke; Suits, Thea; Willis, Ciara (2019): Water mass transport and transformation in the western SPNA, Cruise No. MSM74, May 25 - June 26, 2018, St. John's (Canada) - Reykjavik (Iceland), Western SPNA transport. MARIA S. MERIAN-Berichte, Gutachterpanel Forschungsschiffe, MSM74, 54 pp, https://doi.org/10.2312/cr_msm74
Source:
CTD data of Cruise MSM74 in netcdf format [dataset]. msm_074_1_ctd_rel7_netcdf_with_doi.zip
Further details:
Project(s):
Funding:
Horizon 2020 (H2020), grant/award no. 633211: Optimizing and Enhancing the Integrated Atlantic Ocean Observing System
Coverage:
Median Latitude: 57.403097 * Median Longitude: -47.161239 * South-bound Latitude: 47.546640 * West-bound Longitude: -53.999770 * North-bound Latitude: 60.400220 * East-bound Longitude: -36.091680
Date/Time Start: 2018-05-25T18:52:16 * Date/Time End: 2018-06-19T02:42:58
Minimum DEPTH, water: 1.98 m * Maximum DEPTH, water: 3737.82 m
Event(s):
MSM74_1-1 * Latitude: 47.546640 * Longitude: -52.586630 * Date/Time: 2018-05-25T16:57:00 * Elevation: -183.0 m * Campaign: MSM74 * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO)
MSM74_3-1 * Latitude: 52.840230 * Longitude: -51.548200 * Date/Time: 2018-05-26T20:47:00 * Elevation: -1389.0 m * Campaign: MSM74 * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO)
MSM74_4-1 * Latitude: 52.879030 * Longitude: -51.382350 * Date/Time: 2018-05-26T23:26:00 * Elevation: -2010.0 m * Campaign: MSM74 * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO)
Comment:
PO-GLOBAL-SVN = 833 used on 27-Aug-2021 13:10:56
Matlab = 9.4.0.813654 (R2018a)
Release = 7
nc_uncertainty_p = 2.000000
nc_uncertainty_t = 0.002000
nc_uncertainty_s = 0.004000
nc_uncertainty_o = 1.500000
Fluorescence and Turbidity data still contain deck offsets. Use with caution
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Karstensen, Johannes | |||
| 2 | DATE/TIME | Date/Time | Karstensen, Johannes | Geocode | ||
| 3 | Pressure, water | Press | dbar | Karstensen, Johannes | ||
| 4 | DEPTH, water | Depth water | m | Karstensen, Johannes | Geocode | |
| 5 | Temperature, water | Temp | °C | Karstensen, Johannes | ||
| 6 | Salinity | Sal | Karstensen, Johannes | |||
| 7 | Oxygen | O2 | µmol/kg | Karstensen, Johannes | ||
| 8 | Sound velocity in water | SV | m/s | Karstensen, Johannes | ||
| 9 | Density, sigma, in situ | Sigma in situ | kg/m3 | Karstensen, Johannes | ||
| 10 | Fluorescence | Fluorescence | arbitrary units | Karstensen, Johannes | ||
| 11 | Turbidity (Nephelometric turbidity unit) | Turbidity | NTU | Karstensen, Johannes | ||
| 12 | Attenuation, optical beam transmission | Attenuation | 1/m | Karstensen, Johannes |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2311020 data points
Download Data
View dataset as HTML (shows only first 2000 rows)